### Home > CC1MN > Chapter 10 > Lesson 10.4.2 > Problem 10-108

10-108.

Zaria wants you to solve this puzzle: *“I am thinking of a number. If you divide my number by and subtract , you will get . What is my number?”* Show how you know your answer is correct.

Try a number. For example,

Since it is too big, try a different number.